PTC Resettable Fuses DistyParts

Circuit Protection > PTC Resettable Fuses

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PTC Resettable Fuses provide overcurrent protection by resetting after a fault condition is removed. Key attributes include Current, Height, Lead Spacing, and Operating Temperature. These components are essential for applications such as production electronics assembly and maintenance.

What are PTC Resettable Fuses ?

PTC Resettable Fuses are protective devices that limit current flow and reset automatically after a fault condition is cleared. They are commonly used in applications like new product design, maintenance, and field replacements. Important specifications for selection include Current, which determines the maximum load; Operating Temperature, which affects performance under different conditions; and Lead Spacing, which ensures compatibility with PCB layouts. Validating lifecycle status and sourcing options is crucial for procurement teams to mitigate risks.

Part & Mfr

Total Stock

Pricing & RFQ

Current

Height

Lead Spacing

Mounting Type

Operating Temperature

Ratings

Resistance

Size

Thickness (Max)

Time to Trip

Type

Voltage

FSMD010-1206-R

FUZETEC TECHNOLOGY

3,000

From Optech Co.,Limited

Price on request

3,000

100 mA

Surface Mount

-40°C ~ 85°C

15 Ω

0.128" L x 0.065" W (3.25mm x 1.65mm)

0.033" (0.85mm)

1 s

60V

0ZCK0075FF2E

Bel Fuse

3,000

Price on request

3,000

750 mA

Surface Mount

-40°C ~ 85°C

AEC-Q200

350 mΩ

0.085" L x 0.053" W (2.15mm x 1.35mm)

0.049" (1.25mm)

200 ms

Polymeric

0ZCH0150FF2E

Bel Fuse

3,000

Price on request

3,000

1.5 A

Surface Mount

-40°C ~ 85°C

110 mΩ

0.127" L x 0.102" W (3.22mm x 2.58mm)

0.035" (0.90mm)

500 ms

Polymeric

PTS181224V150

Eaton - Electronics Division

3,000

Price on request

3,000

1.5 A

Surface Mount

-40°C ~ 85°C

120 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.059" (1.50mm)

1.5 s

Polymeric

24V

MF-USMF075-2

Bourns

2,969

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,484	-	-
MW.FEP S.p.A.	1,485	-	-

Price on request

2,969

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,484	-	-
MW.FEP S.p.A.	1,485	-	-

750 mA

Surface Mount

-40°C ~ 85°C

AEC-Q200

450 mΩ

0.127" L x 0.102" W (3.22mm x 2.58mm)

0.033" (0.85mm)

100 ms

Polymeric

PTGL05AR181M9N52A0

MURATA

2,960

From Bristol Electronics

Price on request

2,960

Through Hole

18.1 Ω

Ceramic

1210L300SLWR

Littelfuse Inc.

2,953

Price on request

2,953

3 A

Surface Mount

-40°C ~ 85°C

20 mΩ

0.127" L x 0.102" W (3.22mm x 2.58mm)

0.028" (0.70mm)

2 s

Polymeric

1210L150THWR

Littelfuse Inc.

2,946

Across 2 distributors

Distributor	Stock	MOQ	Country
MW.FEP S.p.A.	11	-	-
Bristol Electronics	2,935	-	-

Price on request

2,946

Distributor	Stock	MOQ	Country
MW.FEP S.p.A.	11	-	-
Bristol Electronics	2,935	-	-

1.5 A

Surface Mount

-40°C ~ 85°C

110 mΩ

0.127" L x 0.102" W (3.22mm x 2.58mm)

0.042" (1.07mm)

300 ms

Polymeric

MF-SM150-2

Bourns

2,881

Across 2 distributors

Distributor	Stock	MOQ	Country
Bristol Electronics	2,395	-	-
Hybrid Electronics	486	-	-

Price on request

2,881

Distributor	Stock	MOQ	Country
Bristol Electronics	2,395	-	-
Hybrid Electronics	486	-	-

1.5 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

250 mΩ

0.344" L x 0.264" W (8.75mm x 6.71mm)

0.118" (3.00mm)

5 s

Polymeric

15V

0805L075WR

Littelfuse Inc.

2,860

From Innova Technologies

Price on request

2,860

750 mA

Surface Mount

-40°C ~ 85°C

350 mΩ

0.083" L x 0.053" W (2.10mm x 1.35mm)

0.030" (0.75mm)

200 ms

Polymeric

1210L175WR

Littelfuse Inc.

2,822

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,411	-	-
MW.FEP S.p.A.	1,411	-	-

Price on request

2,822

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,411	-	-
MW.FEP S.p.A.	1,411	-	-

1.75 A

Surface Mount

-40°C ~ 85°C

80 mΩ

0.127" L x 0.102" W (3.22mm x 2.58mm)

0.039" (1.00mm)

600 ms

Polymeric

0805L035YR

Littelfuse Inc.

2,810

From Bristol Electronics

Price on request

2,810

350 mA

Surface Mount

-40°C ~ 85°C

1.2 Ω

0.083" L x 0.053" W (2.10mm x 1.35mm)

0.030" (0.75mm)

100 ms

Polymeric

0ZRN0400FF1E

Bel Fuse

2,780

Price on request

2,780

4 A

0.591" (15.00mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 125°C

AEC-Q200

60 mΩ

0.394" L x 0.118" W (10.00mm x 3.00mm)

5 s

Polymeric

16V

0ZRP0050FF1E

Bel Fuse

2,758

Price on request

2,758

500 mA

0.450" (11.43mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

AEC-Q200

900 mΩ

0.280" L x 0.142" W (7.10mm x 3.60mm)

800 ms

Polymeric

60V

MF-SM075-2

Bourns

2,728

Across 2 distributors

Distributor	Stock	MOQ	Country
Speed Components Ltd	1,993	-	-
Bristol Electronics	735	-	-

Price on request

2,728

Distributor	Stock	MOQ	Country
Speed Components Ltd	1,993	-	-
Bristol Electronics	735	-	-

750 mA

Surface Mount

-40°C ~ 85°C

AEC-Q200

1 Ω

0.287" L x 0.214" W (7.31mm x 5.44mm)

0.125" (3.18mm)

300 ms

Polymeric

30V

MINISMDC050F-2

Littelfuse Inc.

2,727

Across 3 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,552	-	-
Emiteli	15	-	-
Bristol Electronics	1,160	-	-

Price on request

2,727

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,552	-	-
Emiteli	15	-	-
Bristol Electronics	1,160	-	-

500 mA

Surface Mount

-40°C ~ 85°C

1 Ω

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.024" (0.62mm)

150 ms

Polymeric

24V

MICROSMD200LR-2

Littelfuse Inc.

2,700

Price on request

2,700

2 A

Surface Mount

6 mΩ

0.127" L x 0.102" W (3.22mm x 2.58mm)

0.039" (1.00mm)

4 s

Polymeric

PRG21BC0R6MM1RA

MURATA

2,670

From Bristol Electronics

Price on request

2,670

420 mA

Surface Mount

-20°C ~ 85°C

600 mΩ

0.079" L x 0.049" W (2.00mm x 1.25mm)

0.043" (1.10mm)

Ceramic

MF-SM200-2

Bourns

2,668

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,334	-	-
MW.FEP S.p.A.	1,334	-	-

Price on request

2,668

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,334	-	-
MW.FEP S.p.A.	1,334	-	-

2 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

125 mΩ

0.344" L x 0.264" W (8.75mm x 6.71mm)

0.118" (3.00mm)

12 s

Polymeric

15V

MF-NSMF020-2

Bourns

2,660

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,330	-	-
MW.FEP S.p.A.	1,330	-	-

Price on request

2,660

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,330	-	-
MW.FEP S.p.A.	1,330	-	-

200 mA

Surface Mount

-40°C ~ 85°C

AEC-Q200

2.6 Ω

0.126" L x 0.063" W (3.20mm x 1.60mm)

0.033" (0.85mm)

600 ms

Polymeric

24V

16R700GMR

Littelfuse Inc.

2,568

From Components Technology Group, Inc.

Price on request

2,568

7 A

0.776" (19.70mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

20 mΩ

0.441" L x 0.118" W (11.20mm x 3.00mm)

3.5 s

Polymeric

16V

AGRF400-2

Littelfuse Inc.

2,500

From Bristol Electronics

Price on request

2,500

4 A

0.555" (14.10mm)

0.199" (5.05mm)

Through Hole

-40°C ~ 85°C

AEC-Q200

61 mΩ

0.350" L x 0.118" W (8.90mm x 3.00mm)

2 s

Polymeric

16V

PTS120615V050

Eaton - Electronics Division

2,500

Price on request

2,500

500 mA

Surface Mount

-40°C ~ 85°C

700 mΩ

0.128" L x 0.065" W (3.25mm x 1.65mm)

0.042" (1.06mm)

100 ms

Polymeric

15V

SMD030F-2

Littelfuse Inc.

2,490

Across 3 distributors

Distributor	Stock	MOQ	Country
ADI/AAR OEM Supply	20	-	-
ACK ELEKTRONIK	2,000	-	-
Bristol Electronics	470	-	-

Price on request

2,490

Distributor	Stock	MOQ	Country
ADI/AAR OEM Supply	20	-	-
ACK ELEKTRONIK	2,000	-	-
Bristol Electronics	470	-	-

300 mA

Surface Mount

-40°C ~ 85°C

4.8 Ω

0.290" L x 0.202" W (7.36mm x 5.12mm)

0.125" (3.18mm)

3 s

Polymeric

60V

TSV250-130F-2

Littelfuse Inc.

2,400

Price on request

2,400

130 mA

Surface Mount

-40°C ~ 85°C

12 Ω

0.240" L x 0.272" W (6.10mm x 6.90mm)

0.126" (3.20mm)

2 s

Polymeric

60V (250V Int)

60R185XF

Littelfuse Inc.

2,300

From Speed Components Ltd

Price on request

2,300

1.85 A

0.906" (23.00mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

190 mΩ

0.660" Dia x 0.122" T (16.76mm x 3.10mm)

12.6 s

Polymeric

60V

0ZCJ0200FF2C

Bel Fuse

2,120

Across 2 distributors

Distributor	Stock	MOQ	Country
AA2DE	2,000	-	-
Seba Components	120	-	-

Price on request

2,120

Distributor	Stock	MOQ	Country
AA2DE	2,000	-	-
Seba Components	120	-	-

2 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

80 mΩ

0.128" L x 0.065" W (3.25mm x 1.65mm)

0.063" (1.60mm)

1.5 s

Polymeric

MF-R020

Bourns

2,079

Across 2 distributors

Distributor	Stock	MOQ	Country
AA2DE	1,990	-	-
Partservice	89	-	-

Price on request

2,079

Distributor	Stock	MOQ	Country
AA2DE	1,990	-	-
Partservice	89	-	-

200 mA

0.500" (12.70mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

4.4 Ω

0.291" Dia x 0.122" T (7.40mm x 3.10mm)

2.2 s

Polymeric

60V

MINISMDC260F/16-2

Littelfuse Inc.

2,076

From Optech Co.,Limited

Price on request

2,076

2.6 A

Surface Mount

-40°C ~ 85°C

50 mΩ

0.181" L x 0.128" W (4.60mm x 3.24mm)

0.060" (1.52mm)

5 s

Polymeric

16V

0ZCF0125FF2C

Bel Fuse

2,060

Across 3 distributors

Distributor	Stock	MOQ	Country
AA2DE	2,000	-	-
Emiteli	1	-	-
Bristol Electronics	59	-	-

Price on request

2,060

Distributor	Stock	MOQ	Country
AA2DE	2,000	-	-
Emiteli	1	-	-
Bristol Electronics	59	-	-

1.25 A

Surface Mount

-40°C ~ 85°C

250 mΩ

0.290" L x 0.202" W (7.36mm x 5.12mm)

0.035" (0.90mm)

2 s

Polymeric

33V

2920L200/24DR

Littelfuse Inc.

2,058

Across 3 distributors

Distributor	Stock	MOQ	Country
Fe Components	516	-	-
Braun Electronic Components	42	-	-
Bristol Electronics	1,500	-	-

Price on request

2,058

Distributor	Stock	MOQ	Country
Fe Components	516	-	-
Braun Electronic Components	42	-	-
Bristol Electronics	1,500	-	-

2 A

Surface Mount

-40°C ~ 85°C

125 mΩ

0.289" L x 0.202" W (7.35mm x 5.12mm)

0.049" (1.25mm)

5 s

Polymeric

24V

2920L030DR

Littelfuse Inc.

2,012

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,006	-	-
MW.FEP S.p.A.	1,006	-	-

Price on request

2,012

Distributor	Stock	MOQ	Country
Braun Electronic Components	1,006	-	-
MW.FEP S.p.A.	1,006	-	-

300 mA

Surface Mount

-40°C ~ 85°C

4.8 Ω

0.289" L x 0.202" W (7.35mm x 5.12mm)

0.049" (1.25mm)

3 s

Polymeric

60V

MF-R185

Bourns

2,000

Price on request

2,000

1.85 A

0.724" (18.40mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

110 mΩ

0.472" Dia x 0.118" T (12.00mm x 3.00mm)

8.7 s

Polymeric

30V

0ZCG0150FF2C

Bel Fuse

2,000

From Bristol Electronics

Price on request

2,000

1.5 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

110 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.022" (0.55mm)

500 ms

Polymeric

2920L100PR

Littelfuse Inc.

2,000

Price on request

2,000

1.1 A

Surface Mount

-40°C ~ 85°C

410 mΩ

0.289" L x 0.202" W (7.35mm x 5.12mm)

0.049" (1.25mm)

500 ms

Polymeric

33V

MF-PSML350-2

Bourns

2,000

From Braun Electronic Components

Price on request

2,000

3.5 A

Surface Mount

-40°C ~ 85°C

25 mΩ

0.085" L x 0.053" W (2.15mm x 1.35mm)

0.032" (0.80mm)

5 s

Polymeric

MF-RM005/240-2

Bourns

1,960

From Bristol Electronics

Price on request

1,960

50 mA

0.508" (12.90mm)

0.114" (2.90mm)

Through Hole

-20°C ~ 85°C

65 Ω

0.327" Dia x 0.150" T (8.30mm x 3.80mm)

10 s

Polymeric

240V (265V Int)

MF-MSMF250/16X-2

Bourns

1,936

Across 4 distributors

Distributor	Stock	MOQ	Country
Fe Components	1,500	-	-
Braun Electronic Components	147	-	-
MW.FEP S.p.A.	14	-	-
Bristol Electronics	275	-	-

Price on request

1,936

Distributor	Stock	MOQ	Country
Fe Components	1,500	-	-
Braun Electronic Components	147	-	-
MW.FEP S.p.A.	14	-	-
Bristol Electronics	275	-	-

2.5 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

100 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.033" (0.85mm)

5 s

Polymeric

16V

MF-LSMF260X-2

Bourns

1,861

Price on request

1,861

2.6 A

Surface Mount

-40°C ~ 85°C

75 mΩ

0.289" L x 0.202" W (7.36mm x 5.12mm)

0.063" (1.60mm)

5 s

Polymeric

24V

16R500GPR

Littelfuse Inc.

1,801

From Braun Electronic Components

Price on request

1,801

5 A

0.563" (14.30mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

34 mΩ

0.409" L x 0.118" W (10.40mm x 3.00mm)

2 s

Polymeric

16V

1812L110PR

Littelfuse Inc.

1,780

Across 2 distributors

Distributor	Stock	MOQ	Country
Speed Components Ltd	80	-	-
Bristol Electronics	1,700	-	-

Price on request

1,780

Distributor	Stock	MOQ	Country
Speed Components Ltd	80	-	-
Bristol Electronics	1,700	-	-

1.1 A

Surface Mount

-40°C ~ 85°C

210 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.028" (0.71mm)

300 ms

Polymeric

30R300UPR

Littelfuse Inc.

1,774

Across 4 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	718	-	-
MW.FEP S.p.A.	1,006	-	-
Speed Components Ltd	20	-	-
Bristol Electronics	30	-	-

Price on request

1,774

Distributor	Stock	MOQ	Country
Braun Electronic Components	718	-	-
MW.FEP S.p.A.	1,006	-	-
Speed Components Ltd	20	-	-
Bristol Electronics	30	-	-

3 A

0.756" (19.20mm)

0.201" (5.10mm)

Through Hole

-40°C ~ 85°C

80 mΩ

0.449" L x 0.118" W (11.40mm x 3.00mm)

10.8 s

Polymeric

30V

MINISMDC020F-2

Littelfuse Inc.

1,726

Across 2 distributors

Distributor	Stock	MOQ	Country
ADI/AAR OEM Supply	1,476	-	-
Bristol Electronics	250	-	-

Price on request

1,726

Distributor	Stock	MOQ	Country
ADI/AAR OEM Supply	1,476	-	-
Bristol Electronics	250	-	-

200 mA

Surface Mount

-40°C ~ 85°C

3.3 Ω

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.035" (0.89mm)

20 ms

Polymeric

30V

MF-MSMF030-2

Bourns

1,678

Across 3 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	774	-	-
MW.FEP S.p.A.	774	-	-
Bristol Electronics	130	-	-

Price on request

1,678

Distributor	Stock	MOQ	Country
Braun Electronic Components	774	-	-
MW.FEP S.p.A.	774	-	-
Bristol Electronics	130	-	-

300 mA

Surface Mount

-40°C ~ 85°C

AEC-Q200

3 Ω

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.043" (1.10mm)

100 ms

Polymeric

30V

MF-MSMF200-2

Bourns

1,592

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	796	-	-
MW.FEP S.p.A.	796	-	-

Price on request

1,592

Distributor	Stock	MOQ	Country
Braun Electronic Components	796	-	-
MW.FEP S.p.A.	796	-	-

2 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

80 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.033" (0.85mm)

3 s

Polymeric

NANOASMDC016F-2

Littelfuse Inc.

1,572

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	686	-	-
MW.FEP S.p.A.	886	-	-

Price on request

1,572

Distributor	Stock	MOQ	Country
Braun Electronic Components	686	-	-
MW.FEP S.p.A.	886	-	-

160 mA

Surface Mount

-40°C ~ 85°C

AEC-Q200

5 Ω

0.126" L x 0.063" W (3.20mm x 1.59mm)

0.039" (1.00mm)

300 ms

Polymeric

48V

RUEF400

Littelfuse Inc.

1,555

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	55	-	-
Bristol Electronics	1,500	-	-

Price on request

1,555

Distributor	Stock	MOQ	Country
Braun Electronic Components	55	-	-
Bristol Electronics	1,500	-	-

4 A

0.760" (19.30mm)

0.199" (5.05mm)

Through Hole

-40°C ~ 85°C

50 mΩ

0.551" L x 0.118" W (14.00mm x 3.00mm)

12.7 s

Polymeric

30V

NANOSMDC075F-2

Littelfuse Inc.

1,550

From Bristol Electronics

Price on request

1,550

750 mA

Surface Mount

-40°C ~ 85°C

300 mΩ

0.126" L x 0.063" W (3.20mm x 1.59mm)

0.027" (0.68mm)

100 ms

Polymeric

MF-MSMF110/16-2

Bourns

1,532

From Bristol Electronics

Price on request

1,532

1.1 A

Surface Mount

-40°C ~ 85°C

AEC-Q200

210 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.033" (0.85mm)

300 ms

Polymeric

16V

1812L075/24DR

Littelfuse Inc.

1,529

Across 3 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	19	-	-
Speed Components Ltd	275	-	-
Bristol Electronics	1,235	-	-

Price on request

1,529

Distributor	Stock	MOQ	Country
Braun Electronic Components	19	-	-
Speed Components Ltd	275	-	-
Bristol Electronics	1,235	-	-

750 mA

Surface Mount

-40°C ~ 85°C

AEC-Q200

290 mΩ

0.179" L x 0.128" W (4.55mm x 3.24mm)

0.061" (1.55mm)

200 ms

Polymeric

24V

Showing 201-250 of 5,439 products

About PTC Resettable Fuses

PTC Resettable Fuses are crucial components in circuit protection, designed to safeguard electronic devices from overcurrent conditions. These fuses utilize polymeric materials that allow them to reset after a fault condition is cleared, making them ideal for applications where reliability and longevity are paramount.

When sourcing PTC Resettable Fuses, it is important to consider several critical specifications. Key attributes include current ratings, height, lead spacing, and mounting type. Understanding the operating temperature and resistance ratings is also essential for ensuring compatibility with your specific application requirements.

PTC Resettable Fuses find applications in various fields, including new product design and prototyping, production electronics assembly, and maintenance or field replacement. They are particularly useful in engineering evaluations and qualifications, as well as in procurement-driven multi-sourcing strategies.

To effectively compare options, prioritize parametric filtering based on critical specifications before brand preference. This approach helps mitigate sourcing risks and ensures that the selected components meet the necessary mechanical and electrical compatibility with existing designs.

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PTC Resettable Fuses

What are PTC Resettable Fuses ?

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PTC Resettable Fuses

What are PTC Resettable Fuses ?

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